Data Analysis

Question 1

What do for Data Analysis?

Answer 1

Structuring your response include an introductory sentence explaining the study, then 1-2 sentences explaining the data highlighting and significance or relationship that is observed within the data set. Then a summary sentence

Question 2

What is P value?

Answer 2

Allows you to determine if a result of treatment is statistically significant (ie not due to chance – reject null hypothesis).

Question 3

What is Confidence Interval?

Answer 3

Allows you to determine how much of the sample or population shares this significance.

Question 4

What is Effect Size?

Answer 4

Refers to the magnitude of difference between two variables

Question 5

What is p = >0.05?

Answer 5

‘large’ p value
weak evidence against null hypothesis
not significantly associated

Question 6

What is p = <0.05?

Answer 6

‘small’ p value

Probability that result is less than 1 in 20 due to ‘chance’

Question 7

What is p = <0.02?

Answer 7

very small p value
less than 1 in 100 due to ‘chance’
very strong evidence against null hypothesis
highly significant